/* * JBoss, Home of Professional Open Source * Copyright 2009 Red Hat Inc. and/or its affiliates and other * contributors as indicated by the @author tags. All rights reserved. * See the copyright.txt in the distribution for a full listing of * individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.infinispan.notifications.cachelistener.event; import org.infinispan.Cache; /** * An interface that defines common characteristics of events * * @author Manik Surtani * @since 4.0 */ public interface Event<K, V> { static enum Type { CACHE_ENTRY_ACTIVATED, CACHE_ENTRY_PASSIVATED, CACHE_ENTRY_VISITED, CACHE_ENTRY_LOADED, CACHE_ENTRY_EVICTED, CACHE_ENTRY_CREATED, CACHE_ENTRY_REMOVED, CACHE_ENTRY_MODIFIED, TRANSACTION_COMPLETED, TRANSACTION_REGISTERED, CACHE_ENTRY_INVALIDATED, DATA_REHASHED, TOPOLOGY_CHANGED } /** * @return the type of event represented by this instance. */ Type getType(); /** * @return <tt>true</tt> if the notification is before the event has occurred, <tt>false</tt> if after the event has occurred. */ boolean isPre(); /** * @return a handle to the cache instance that generated this notification. */ Cache<K, V> getCache(); }